SystemAir EE VTR 250/B Service & Accessories Installation Manual
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SystemAir EE VTR 250/B Service & Accessories Installation Manual

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EE VTR 250/B
Service & Accessories Installation Manual
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Document in original language | · Rev01

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Summary of Contents for SystemAir EE VTR 250/B

  • Page 1 EE VTR 250/B Service & Accessories Installation Manual Document in original language | · Rev01...
  • Page 2 Systemair UAB reserves the rights to alter their products without notice. This also applies to products already ordered, as long as it does not affect the previously agreed specifications. Systemair is not liable or bound by warranty if these instructions are not adhered to during installation or service. | Rev01...

  • Page 3: Table Of Contents

    Contents Overview ............1 Internal components ......29 6.2.1 Component descriptions .... 29 Warranty ..........1 6.2.2 Overheat protection reset Type label..........1 button ........30 Disposal and recycling ......1 Electrical connections ......30 Important Safety Information ......1 6.3.1 Main board layout ....31 Intended Use.........2 Troubleshooting..........

  • Page 5: Overview

    For the assertion of warranty claims, the products must be correctly connected and operated, and used in accordance with the data sheets. Further prerequisites are a completed maintenance plan with no gaps and a commissioning re- port. Systemair will require these in the case of a warranty claim. Type label Before calling your service representative, make a note of the specification and production number from the type label, which can be found next to the external connections and inside of the unit.

  • Page 6: Intended Use

    | Important Safety Information Intended Use • Abide by the system-related conditions and requirements of the system manufacturer or plant constructor. • Keep all the warning signs on the device and in a legible condition. • The device is not to be used by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction.

  • Page 7: Declaration Of Conformity

    Heat recovery ventilation unit: EE VTR 250/B (The declaration applies only to product in the condition it was delivered in and installed in the facility in accordance with the included installation instructions. The insurance does not cover components that are added or actions carried out subsequently on the product).

  • Page 8: System Curves

    | System curves System curves Every change in the pressure of the ventilation system, will result in a different airflow. Each curve shows a different airflow level setting: 1. 16% (MINIMUM LEVEL) 2. 20% (LOW LEVEL) 3. 50% (NORMAL LEVEL) 4.

  • Page 9: Technical Data

    Technical Data | Technical Data Dimensions and Weight, L model Fig. 2 Dimensions of left hand unit * Water coil connections. ** Drainage. The unit weight is 56 kg. | Rev01...

  • Page 10: Dimensions And Weight, R Model

    | Technical Data Dimensions and Weight, R model Fig. 3 Dimensions of right hand unit * Water coil connections. ** Drainage. The unit weight is 56 kg. | Rev01...

  • Page 11: Connections Left And Right Models

    Configuration General EE VTR 250/B has a modern touchscreen LCD control panel, simply known as HMI — Human Machine Interface. The touchscreen display provides information about current state of the unit and allows you to control all system functions. Settings are done by touching the icons or options. The touch screen is sensitive and it is not necessary to press too hard.

  • Page 12: Common Symbols

    | Configuration • menu language • time and date • import configuration file (if the Internet Access Module (IAM) with configuration file is available) • airflow control type (Manual/RPM) and airflow level values • heater type (None/Electrical/Water/Change-over) The Startup Wizard cannot be skipped. Common symbols The following selection symbols are common and are present in most menu pages: On and Off slider to activate or...

  • Page 13: Home Screen

    Configuration | Home screen 1. Drop-down menu list 2. Active user mode 3. Airflow settings 4. Temperature settings 5. Target temperature 6. Current measured temperature 7. Status bar 5.5.1 User modes The first icon at the top of home screen shows currently active user mode. To change the user mode, touch the active user mode icon (pos.
  • Page 14 | Configuration Icon Text Description Sets speed of both supply and extract air fans to Low levels when user is away from home for a long period of time. HOLIDAY ECO mode is active. Set duration in days. Sets speed of both supply and extract air fans to maximum High levels and temperature setpoint offset to –3 K when apartment is more crowded than usual.

  • Page 15: Temperature Settings

    Configuration | Configurable digital input can be activated via signal triggered by push button, presence detector or any other external device with digital output, such as Building Management Systems (BMS) Configurable digital inputs are grouped in levels of priority, Configurable Digital Input 1 being the highest, meaning it can’t be overwritten by other user functions.

  • Page 16: Airflow Settings

    | Configuration Then touch the OK button to confirm changes. Temperature set point is for room air temperature, supply air temperature or for extract air temperature depending on which control mode is active. Default setting is Supply air temperature control. Control mode of the temperature can be changed in Service menu.

  • Page 17: Indoor Air Quality

    Configuration | 5.5.4 Indoor Air Quality The unit automatically controls indoor humidity and/or CO levels by adjusting airflow setting. Airflow is increased if air quality is decreasing. Demand Control function is responsible for IAQ (Indoor Air Quality) regulation. Relative humidity (RH) and/or CO sen- sors are responsible for IAQ monitoring.

  • Page 18: Main Menu

    | Configuration Icon Text Description Function sets speed of supply air fan to High level and extract air fan to Low level to increase air pressure within the apartment for better dust collection through central vacuum cleaner. Vacuum Function can be activated via digital input — Central Vacuum Cleaner cleaner Function.
  • Page 19 Configuration | 5.7.2.1 Active Alarms Alarm screen is empty if there are no active or logged alarms. Press HELP button on the active alarm to access FAQ and troubleshooting (if available). Press ACKNOWLEDGE on the in- dividual alarm to clear it. Depending on alarm type and the cause, it might be necessary to do a troubleshooting first to acknowledge active alarm.
  • Page 20 | Configuration Alarm name Explanation Do the following Fire alarm is active. Once the external Fire alarm is Fire alarm disabled – alarm has to be • Alarm stops the unit. acknowledged and unit restarted. Emergency thermostat Indicates triggered overheat A triggered manual or automatic protection (in case of installed overheat protection (EMT) gives an...
  • Page 21 Configuration | Alarm name Explanation Do the following Indicates room air temperature Check that sensor is connected Room air temperature sensor sensor malfunction. properly and cable is not damaged. Contact your installation company or place of purchase. Extract air temperature Indicates extract air temperature Check that sensor is connected sensor malfunction.

  • Page 22: Week Schedule

    | Configuration Alarm name Explanation Do the following Supply air temperature is too low. Check the heat exchanger and re- Low supply air temperature Active: (Outdoor air temperature heater or refer to Point 2 in sensor measures < 0°C) AND (Supply “Troubleshooting”...

  • Page 23: Filter

    Configuration | If necessary, activate second scheduled period and set up time. 2. Once time is set, click on the day(s) when schedule should be active. It is possible to set a separate schedule for each day. Already scheduled days are not available for selection for new schedules. 3.
  • Page 24 | Configuration 5.7.6.1 Input Configuration of inputs Settings for analog, digital and universal input terminals on the main board and connection board, configuration of functionality. Table 2 Digital universal inputs available for selection User modes Activation of specific user modes. Central Vacuum Cleaner Activation of Central vacuum cleaner function.
  • Page 25 Configuration | Table 4 Digital outputs available for selection Step controllers for Heater/Cooler/Extra controller control signals. Heating/Cooling/Extra controller Sum Alarm Fault indicating output. Outdoor-/Exhaust air damper control signal. Outdoor-/Exhaust Air Damper Secondary air damper control. Secondary Air Activate Cooling Cooling mode activation signal to an external system. Interlock External fan Automatic indication about prohibited external fan control (i.e.
  • Page 26 | Configuration Range: 0–20°C. • Set circulation pump stop delay. Default setting is 5 minutes. This option is available if Water / Change-over heat- er type is selected. Range: Off / 1–60 min. Cooler • Choose cooler type. Each selection unlocks additional configuration options. Default setting is None. Available types: None / Water / Change-over.
  • Page 27 Configuration | Only available for Room temperature control / Extract air temperature control modes. ECO mode • Configure ECO mode settings. Set heater offset. Default setting is 5°C. Range: 0–10°C. Fan Control • Configure airflow and fan settings. Select fan control (airflow) type. Default setting is Manual (%). Available types: Manual (%) / Manual rpm / Flow (CAV) / Pressure (VAV) / External Pressure Setting...
  • Page 28 | Configuration Important Changing the airflow type does not change P-band value automatically. P-band value have to be changed manually after changing the airflow type. Demand Control Configure indoor air quality sensors. Once sensor(s) are configured, Demand Control function is activated by choosing AUTO mode in home screen.
  • Page 29 Fan speed differ for each household because of different unit size, duct system and system pressure. In order to find correct fan speed, external tool must be used at Systemair website. 1. Go to Systemair website and find your unit.
  • Page 30 | Configuration • Configurable Digital Input 1 • Configurable Digital Input 2 • Configurable Digital Input 3 • Pressure Guard 5.7.6.6 Communication Configure Modbus and wireless settings Modbus • Set Modbus address. Default setting is 1. • Set baud rate. Default setting is 115200. •...

  • Page 31: Help

    Configuration | Level 4: 45–59% Level 5: 60–100% Parameters • Select parameter type, position in y-axis, period from 60 minutes to 2 weeks and then create a graph based on stored data by touching icon in the top right corner .

  • Page 32: Service

    | Service Service Warnings Danger • Make sure that the mains supply to the unit is disconnected before performing any maintenance or electrical work! • All electrical connections and maintenance work must be carried out by an authorized installer and in accordance with local rules and regulations.

  • Page 33: Internal Components

    Service | Internal components Fig. 8 Internal components Position Description Mounting bracket External connections Extract air fan Supply air filter Extract air filter Main print card Rotating heat exchanger Supply air fan Supply air sensor Outdoor air sensor Relative humidity/Extract air temperature sensor Overheat protection sensor Internal electrical re-heater 6.2.1...

  • Page 34: Button

    6.2.1.3 Heat exchanger EE VTR 250/B is equipped with a highly efficient, rotating heat exchanger. Required supply air temperature is therefore normally maintained without adding additional heat. The heat exchanger is removable for cleaning and maintenance, see “User Manual” for more information.

  • Page 35: Main Board Layout

    6.3.1 Main board layout The EE VTR 250/B is equipped with built-in regulation and internal wiring. The figure shows the main circuit board. See wiring diagram for more information. Fig. 10 Main circuit board connections...

  • Page 36: Troubleshooting

    | Troubleshooting Position Description Digital input 2 — Freely configurable / Cooker hood (VTR 150/K unit) Analog output 2 — Freely configurable / Electrical heater controller (VTC 700 unit) Analog output 1 — Rotor of the heat exchanger (VSR, VTR units) / Damper control (VTC units) Terminals for speed control of extract air fan Terminals for speed control of supply air fan...
  • Page 37 Troubleshooting | Action Malfunction 1. Check the display for alarms. 2. Check the active user functions in HMI screen if Defrosting function is running. 3. Check set supply air temperature in the HMI. 4. Check if ECO mode is activated in HMI (it is a power saving function and prevents the heater from activating).

  • Page 38: Accessories

    | Accessories Accessories EE VTR 250/B have many available accessories that can be used to expand functionality of the unit and increase com- fort level. Recommended accessories can be always found at Systemair website www.systemair.com by searching the article number or the name of the desired accessory.
  • Page 39 • D1 — Download and install Systemair mobile application on your device. Systemair mobile application is available for both Android and iOS mobile operating systems. • D2 — Systemair web application does not require installation and can be accessed directly through the website (homesolutions.systemair.com ) by using any web browser.

  • Page 40: Extract Air, M5/Coarse 70% Type 8.2 Multiple Control Panels

    | Accessories Table 6 LED indicator codes WLAN RED LED GREEN LED Ethernet Cloud — — Connected Not Connected Blinks fast — — Disconnected Disconnected Blinks slow — — Connected Connected Blinks slow — — Connected Not Connected Blinks fast —...
  • Page 41 | Rev01...
  • Page 42 Systemair UAB Linų st. 101 LT–20174 Ukmergė, LITHUANIA Phone +370 340 60165 Fax +370 340 60166 www.systemair.com...

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